LX450 ticking noise

Tiny
MICKEYT
  • 1997 LEXUS LX 450
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 190,000 MILES

I have a ticking sound on my LX450 but it runs perfectly fine, no leaks etc. Any ideas? I have 190,000 miles. Any suggestions for pro-active services?

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Sunday, February 27th, 2011 AT 3:20 AM

6 Replies

Tiny
KHLOW2008
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Where is the noise coming from?
Does it changes with engine speed?

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Sunday, February 27th, 2011 AT 12:25 PM
Tiny
MICKEYT
  • MEMBER

The engine area, and it seems to be just during idlning

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Sunday, February 27th, 2011 AT 12:51 PM
Tiny
KHLOW2008
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Ticking noise during idling are usually due to valve clearances. Have the valve clearances checked and shims replaced if there are signs of abnormal wear.

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Sunday, February 27th, 2011 AT 12:57 PM
Tiny
MICKEYT
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Ok thank you very much. Does this mean change valve cover gaskets as well?

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Sunday, February 27th, 2011 AT 1:02 PM
Tiny
KHLOW2008
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You're welcome.

When valve cover is removed, the gaskets is recommended to be replaced, unless it has only been installed recently.

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Sunday, February 27th, 2011 AT 1:06 PM
Tiny
MICKEYT
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Ok will have mechanic do so. Thanks again.

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Sunday, February 27th, 2011 AT 1:13 PM

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